The Phillies made plays this offseason to try and add to the rotation, but their two biggest targets (J.A. Happ and Patrick Corbin) both wound up signing somewhere else. Philadelphia was outbid by the competition in both instances as they viewed adding to the rotation more of a luxury than a need.
Barring a blockbuster trade, it appears the Phils will head into next season with the same starters on the roster from the end of this season. This isn’t a bad thing at all as the team had one of the better rotations in the league in 2018.